Midwest Optical Systems LP815-39 Swivellink Midwest Optical Systems LP850-62 Near-IR

Midwest Optical Systems LP850-62 Near-IR Longpass M62 Longpass Filters

Midwest Optical Systems Bi405-35

f/8 Ci Series Fixed Focal Length Lens            86-596

Midwest Optical Systems LP580-43 Red-Orange Longpass M43 Longpass Filters

Midwest Optical Systems LP815-39 Swivellink Midwest Optical Systems LP850-62 Near-IRMidwest Optical Systems LP815 39 Near IR Longpass M39 Longpass Filters Often referred to as a sharp cut filter, Longpass Filters are specifically designed to pass a broad spectrum of longer wavelength light while blocking shorter wavelengths. Longpass Filters are often used in fluorescence applications to block an excitation light source or to pass multiple emission wavelengths, improving signal to noise ratio. Longpass Filters are also commonly used